Meaning & use
ruler
A person who governs or holds supreme authority over a country or people, or a straight-edged tool used for measuring and drawing lines.
See it in a sentence
The ruler of the small kingdom was known for his fair and generous policies.
She used a ruler to draw a perfectly straight line across the page.
A note on using this word
Ruler has two unrelated common meanings, a person with political power and a measuring tool, and context makes clear which is meant.
Words with a similar meaning
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Words with an opposite meaning
Make it your own
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